Power Steering Pump Pulley, Rein - F10 M5, F06/F12/F13 M6

This part is listed by BMW as BMW part number 32427843248 (32 42 7 843 248) and is described as an aluminum replacement pulley for the power steering pump on F10 M5 and F06/F12/F13 M6 with the S63TU engine. This pulley is made from aluminum to avoid the same failures as the factory plastic pulley.

It is essential to inspect this pulley for any signs of failure any time you have access to it (belt change, intercooler change, or any time the undertray panel is removed. Cracks can form in the original plastic or the belt grooves can chip. If left unattended the entire pulley can shatter and send sharp plastic throughout the engine bay.

This is a S63TU PS pulley manufactured by Rein Automotive (CRP) - a front-line supplier of original equipment, private label, and in-house engineered replacement parts. Rein replacement products meet or exceed all of BMW's original design, fitment, and performance requirements and they carry out testing with ISO and German TUV for quality control. Rein parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.